P0109
MAP/BARO Pressure Circuit Intermittent
2001-2003 BMW 525iT E39 2.5L I6 🇨🇦
Moderate SeverityPowertrain
Description
The MAP sensor signal is showing intermittent readings.
Symptoms
- Check Engine Light (intermittent)
- Erratic idle
- Stumble on acceleration
Common Causes
- Loose connector
- Damaged wiring
- Intermittent vacuum leak
Diagnostic Steps
- Wiggle test on connector
- Monitor MAP signal
- Check vacuum hose
Repair Notes
Repair connector or wiring.
Related Codes
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P0109 on Other Vehicles
Common Questions
What does code P0109 mean on a 2001-2003 BMW 525iT E39?
P0109 stands for "MAP/BARO Pressure Circuit Intermittent". The MAP sensor signal is showing intermittent readings.
What are the symptoms of P0109 on a BMW 525iT E39?
Common symptoms of P0109 include: Check Engine Light (intermittent), Erratic idle, Stumble on acceleration.
What causes P0109 on a 2001-2003 BMW 525iT E39?
Common causes of P0109 include: Loose connector, Damaged wiring, Intermittent vacuum leak.